91620720

素因数分解:

$2^4\times 3^6\times 5^1\times {\mathrm{1571}}^1$

素因数の和:1602

約数の個数: 140

約数和(自身を含む): 319584456

約数和(自身を除く): 227963736

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 729, 810, 972, 1080, 1215, 1296, 1458, 1571, 1620, 1944, 2160, 2430, 2916, 3142, 3240, 3645, 3888, 4713, 4860, 5832, 6284, 6480, 7290, 7855, 9426, 9720, 11664, 12568, 14139, 14580, 15710, 18852, 19440, 23565, 25136, 28278, 29160, 31420, 37704, 42417, 47130, 56556, 58320, 62840, 70695, 75408, 84834, 94260, 113112, 125680, 127251, 141390, 169668, 188520, 212085, 226224, 254502, 282780, 339336, 377040, 381753, 424170, 509004, 565560, 636255, 678672, 763506, 848340, 1018008, 1131120, 1145259, 1272510, 1527012, 1696680, 1908765, 2036016, 2290518, 2545020, 3054024, 3393360, 3817530, 4581036, 5090040, 5726295, 6108048, 7635060, 9162072, 10180080, 11452590, 15270120, 18324144, 22905180, 30540240, 45810360, 91620720]

約数ペア:

[(1, 91620720), (2, 45810360), (3, 30540240), (4, 22905180), (5, 18324144), (6, 15270120), (8, 11452590), (9, 10180080), (10, 9162072), (12, 7635060), (15, 6108048), (16, 5726295), (18, 5090040), (20, 4581036), (24, 3817530), (27, 3393360), (30, 3054024), (36, 2545020), (40, 2290518), (45, 2036016), (48, 1908765), (54, 1696680), (60, 1527012), (72, 1272510), (80, 1145259), (81, 1131120), (90, 1018008), (108, 848340), (120, 763506), (135, 678672), (144, 636255), (162, 565560), (180, 509004), (216, 424170), (240, 381753), (243, 377040), (270, 339336), (324, 282780), (360, 254502), (405, 226224), (432, 212085), (486, 188520), (540, 169668), (648, 141390), (720, 127251), (729, 125680), (810, 113112), (972, 94260), (1080, 84834), (1215, 75408), (1296, 70695), (1458, 62840), (1571, 58320), (1620, 56556), (1944, 47130), (2160, 42417), (2430, 37704), (2916, 31420), (3142, 29160), (3240, 28278), (3645, 25136), (3888, 23565), (4713, 19440), (4860, 18852), (5832, 15710), (6284, 14580), (6480, 14139), (7290, 12568), (7855, 11664), (9426, 9720)]